/*
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 * and open the template in the editor.
 */

package action;

import java.io.*;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;

/**
 *
 * @author sally
 */
@MultipartConfig
@WebServlet(name = "UploadServlet", urlPatterns = {"/UploadServlet"})
public class UploadServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException {
	response.setContentType("text/html;charset=UTF-8");
	try (PrintWriter out = response.getWriter()) {
	    /* TODO output your page here. You may use following sample code. */
	    out.println("<!DOCTYPE html>");
	    out.println("<html>");
	    out.println("<head>");
	    out.println("<title>Servlet UploadServlet</title>");	    
	    out.println("</head>");
	    out.println("<body>");
	    out.println("<h1>Servlet UploadServlet at " + request.getContextPath() + "</h1>");
	    out.println("</body>");
	    out.println("</html>");
	}
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException {
	processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
	    throws ServletException, IOException {
	//processRequest(request, response);
	Part p=request.getPart("doc");
	String des=request.getParameter("des");
	System.out.println("des:"+des);
	Part p2=request.getPart("des");
	System.out.println(p.getName( ) );
	System.out.println(p2.getName( ) );
	System.out.println(p.getContentType( ) );
	System.out.println(p2.getContentType( ) );
	String filename=p.getHeader("Content-Disposition");
	int beginIndex=filename.indexOf("filename=\"");
	int endIndex=filename.lastIndexOf("\"");	
	filename=filename.substring(beginIndex+10,endIndex);
	System.out.println(filename);
	InputStream pin=p.getInputStream();
	FileOutputStream fout
		=new FileOutputStream("F:/upload/"+filename);
	byte ary[]=new byte[1024];
	int length=-1;
	while((length=pin.read(ary))!=-1)
	    fout.write(ary , 0 , length );
	pin.close();
	fout.close();
	
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
	return "Short description";
    }// </editor-fold>

}
